CN117212111A - Pumping unit capable of carrying out dynamic balance adjustment - Google Patents
Pumping unit capable of carrying out dynamic balance adjustment Download PDFInfo
- Publication number
- CN117212111A CN117212111A CN202311473411.8A CN202311473411A CN117212111A CN 117212111 A CN117212111 A CN 117212111A CN 202311473411 A CN202311473411 A CN 202311473411A CN 117212111 A CN117212111 A CN 117212111A
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- gear
- output shaft
- weight
- ring
- pumping unit
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- 238000005086 pumping Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims 1
- 241001023788 Cyttus traversi Species 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a can carry out beam-pumping unit that dynamic balance adjusted, relates to oil exploitation technical field, including horse head, beam-forming, reducing gear box, motor balancing weight and crank connecting rod, the motor passes through the belt and transmits power to the input shaft of reducing gear box, including output shaft A in the reducing gear box, output shaft A and balancing weight fixed connection, the reducing gear box one end that keeps away from the motor is provided with the weight, the outer fringe of weight is provided with semicircular ring gear, the outer fringe of balancing weight is provided with semicircular ring gear equally, the ring gear of weight outer fringe and the ring gear intermeshing of balancing weight outer fringe in the beam-pumping unit upstroke, the ring gear of weight outer fringe and the ring gear of balancing weight outer fringe are separated each other in the downstroke, the reducing gear box in still include output shaft B, output shaft B's both ends stretch out the reducing gear box, output shaft B drives the weight and rotates; in the reduction gearbox, the output shaft B and the output shaft A transmit power through a gear set, so that the rotation speeds and the rotation directions of the output shaft A and the output shaft B are the same and opposite.
Description
Technical Field
The invention belongs to the technical field of petroleum exploitation, and particularly relates to a pumping unit capable of performing dynamic balance adjustment.
Background
The beam pumping unit is the most commonly used oil extraction equipment at present, the motor bears extremely large load in the upward stroke of the beam pumping unit, and the beam pumping unit drives the motor to operate in the downward stroke, so that the power waste is caused; in order to reduce the difference of motor loads in the up-down stroke, the existing pumping units are all provided with balancing weights, and the balancing weights can play a certain role in dynamic balance. The higher the dynamic balance of the motor in the up-down stroke, the more favorable the selection of a low-power motor, and the more favorable the saving of electric energy, so that the dynamic balance of the motor is further improved, and the motor is still the target for the exploration in the industry.
Disclosure of Invention
In order to achieve the aim of further improving the power balance of the motor of the pumping unit, the invention provides the pumping unit capable of adjusting the power balance.
The technical scheme provided by the invention is as follows: the utility model provides a pumping unit that can carry out dynamic balance adjustment, includes horsehead, jowar, reducing gear box, motor, balancing weight and crank connecting rod, and the motor passes through the belt and transmits power to the input shaft of reducing gear box, including output shaft A in the reducing gear box, output shaft A and balancing weight fixed connection, one end of reducing gear box that keeps away from the motor is provided with the weight, and the outer fringe of weight is provided with semicircular ring gear, and the outer fringe of balancing weight is provided with semicircular ring gear equally, and the ring gear of weight outer fringe and the ring gear of balancing weight intermesh in the pumping unit upstroke, and the ring gear of weight outer fringe and the ring gear of balancing weight outer fringe are separated each other in the pumping unit downstroke, the reducing gear box in still include output shaft B, output shaft B's both ends stretch out the reducing gear box, output shaft B drive the weight and rotate; in the reduction gearbox, the output shaft B and the output shaft A transmit power through a gear set, so that the rotation speeds and the rotation directions of the output shaft A and the output shaft B are the same and opposite.
The further technical scheme is as follows: the gear box is characterized in that a sliding sleeve is arranged on the output shaft B, the sliding sleeve is matched with the output shaft B through a spline, so that the sliding sleeve can axially slide relative to the output shaft B and is prevented from rotating relative to the output shaft B, a gear ring A is arranged on the side face of the sliding sleeve, a gear ring B capable of being meshed with the gear ring A is arranged on the side face of the weighting block, and a clutch mechanism for driving the sliding sleeve to slide to separate or mesh the gear ring A and the gear ring B is arranged on the outer side of the gear box shell.
The further technical scheme is as follows: the weight block comprises a rocker arm and a weight handle, wherein one end of the rocker arm is in running fit with the output shaft B, the other end of the rocker arm is fixedly connected with a semicircular toothed ring, the weight handle is arranged on the rocker arm, and the installation position of the weight handle on the rocker arm is adjustable.
The further technical scheme is as follows: the heavy handle can slide relative to the rocker arm, a double-end stud is arranged between the heavy handle and the rocker arm, and the axial direction of the double-end stud is consistent with the sliding direction of the heavy handle on the rocker arm.
The further technical scheme is as follows: the gear set comprises a gear A, a gear B, a gear C and a gear D, wherein the gear A is the same as the gear D in model, the gear B is the same as the gear C in model, the gear A is fixedly arranged on an output shaft A, the gear D is fixedly arranged on the output shaft B, the gear B and the gear C are arranged between the gear A and the gear, and the gear A, the gear B, the gear C and the gear D are sequentially meshed.
Compared with the prior art, the invention has the beneficial effects that:
the load of the oil pumping machine in the upper stroke is larger, the weight block can be additionally provided with a counterweight outside the counterweight block, the weight block is pressed on the outer edge of the counterweight block, the descending weight of the weight block is totally loaded on the counterweight block, the weight block and the counterweight block are regarded as a counterweight block, the moment arm is larger than the counterweight block only after the whole weight block is regarded as the whole weight block, the formed moment can be larger, the load of the motor is greatly shared in the upper stroke of the oil pumping machine, the load born by the motor is reduced, and the weight block is driven from a low point to a high point to store energy when the load of the motor in the lower stroke is smaller.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a part of the structure of the reduction gearbox in the present invention.
Fig. 3 is a schematic view of the construction of the weighting block according to the present invention.
Fig. 4 is a schematic structural view of the clutch mechanism in the present invention.
In the figure: 1. a toothed ring; 2. an output shaft B; 3. a rocker arm; 4. a heavy handle; 5. balancing weight; 6. an output shaft A; 7. a reduction gearbox; 8. a motor; 9. a gear D; 10. a gear C; 11. a gear B; 12. a gear A; 13. a double-ended stud; 14. a gear ring B; 15. a gear ring A; 16. an electromagnetic push rod; 17. a deflector rod; 18. a limit rod; 19. a protruding ring; 20. a sliding sleeve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, this embodiment includes horsehead, jowar, reducing gear box 7, motor 8, balancing weight 5 and crank connecting rod, and motor 8 passes through the belt and transmits power to the input shaft of reducing gear box 7, includes output shaft A6 in the reducing gear box 7, output shaft A6 and balancing weight 5 fixed connection, above be the technical scheme that exists in current speed reducer, and the repetition is not repeated here.
The innovation of this embodiment lies in that, the reducing gear box 7 one end that keeps away from motor 8 is provided with the weight, the outer fringe of weight is provided with semicircular ring gear 1, the outer fringe of balancing weight 5 is provided with semicircular ring gear 1 equally, in the direction of figure 1 looks, beam-pumping unit reciprocating motion in-process, balancing weight 5 is anticlockwise rotation, and the weight is clockwise rotation, the ring gear 1 of weight outer fringe and the ring gear 1 intermeshing of balancing weight 5 outer fringe in the beam-pumping unit upstroke, balancing weight 5 anticlockwise rotation is by the high point low point motion, and the weight is clockwise by the high point to the low point motion, both meshing can ensure that the weight of whole weight in the upstroke is whole loaded on balancing weight 5, make whole counter weight increase by a wide margin. The concept of the moment arm is known as the vertical distance from the acting line to the rotating shaft, in this embodiment, the rotating shaft in the moment arm concept is the hinge shaft between the beam and the pumping unit support, and the acting line in the concept is the gravity center line of the whole of the balancing weight 5 and the weighting block, so that the vertical distance from the acting line to the rotating shaft is increased, after the weighting block is added, the whole moment arm is increased, and the moment arm is increased, so that the moment can be larger, therefore, the embodiment can greatly share the load of the motor 8 in the upstroke of the pumping unit, and the load born by the motor 8 is reduced. In the prior art, the load of the motor 8 is smaller in the downstroke, the power of the motor 8 is wasted, in order to balance the wasted power of the motor 8, in the downstroke of the embodiment, the toothed ring 1 at the outer edge of the weighting block is separated from the toothed ring 1 at the outer edge of the weighting block 5, the motor 8 does work on the weighting block, and the weighting block is lifted to the highest position from the lowest position.
The reduction gearbox 7 also comprises an output shaft B2, the two ends of the output shaft B2 extend out of the reduction gearbox 7, and the output shaft B2 drives the weighting block to rotate. Inside the reduction gearbox 7, the output shaft B2 and the output shaft A6 transmit power through a gear set.
As shown in fig. 2, the gear set includes a gear a12, a gear B11, a gear C10 and a gear D9, wherein the gear a12 is the same as the gear D9 in type, the gear B11 is the same as the gear C10 in type, the gear a12 is fixedly mounted on the output shaft A6, the gear D9 is fixedly mounted on the output shaft B2, the gear B11 and the gear C10 are located between the gear a12 and the gear, and the gear a12, the gear B11, the gear C10 and the gear D9 are sequentially meshed, so that the rotation speed of the output shaft A6 is the same as that of the output shaft B2 and the rotation direction is opposite.
As shown in fig. 4, the output shaft B2 is provided with a sliding sleeve 20, the sliding sleeve 20 is in spline fit with the output shaft B2, so that the sliding sleeve 20 can slide axially relative to the output shaft B2, the sliding sleeve 20 is prevented from rotating relative to the output shaft B2, a gear ring a15 is arranged on the side surface of the sliding sleeve 20, a gear ring B14 capable of being meshed with the gear ring a15 is arranged on the side surface of the weighting block, the weighting block can rotate freely relative to the output shaft B2, and a clutch mechanism for driving the sliding sleeve 20 to slide to separate or mesh the gear ring a15 from the gear ring B14 is arranged on the outer side of the casing of the reduction gearbox 7. In the up stroke of the pumping unit, the clutch mechanism is disconnected, and the gear ring A15 is disconnected from the gear ring B14, so that the weighting block is not constrained by the output shaft B2, and the whole weight of the weighting block can be fully loaded on the balancing weight 5; in the down stroke of the pumping unit, the clutch mechanism is engaged, the gear ring A15 is meshed with the gear ring B14, so that the weighting block is constrained by the output shaft B2, and the weighting block can be lifted from a low point to a high point through the output shaft B2. In brief, the weighting block falls on the counterweight 5 in a free falling mode in the up stroke, and the weighting block is driven by the output shaft B2 to return to the high position from the low position in the down stroke.
As shown in fig. 3, the weighting block includes a rocker arm 3 and a heavy handle 4, wherein one end of the rocker arm 3 is in running fit with the output shaft B2, and the other end of the rocker arm 3 is fixedly connected with the semicircular toothed ring 1, so that the rotation radius of the toothed ring 1 is ensured to be fixed, the heavy handle 4 is mounted on the rocker arm 3, the mounting position of the heavy handle 4 on the rocker arm 3 is adjustable, and the position of the heavy handle 4 is adjusted to adapt to different dynamic balance adjustment requirements.
In order to further facilitate the adjustment of the position of the heavy handle 4 on the rocker arm 3, the heavy handle 4 is slidably arranged on the rocker arm 3, a stud 13 is arranged between the heavy handle 4 and the rocker arm 3, the axial direction of the stud 13 is consistent with the sliding direction of the heavy handle 4 on the rocker arm 3, and the position of the heavy handle 4 on the rocker arm 3 can be conveniently adjusted by rotating the stud 13.
As shown in fig. 4, the clutch mechanism includes an electromagnetic push rod 16, a shift rod 17 and a limiting rod 18, the shift rod 17 slides relative to the reduction gearbox 7, the sliding direction is the axial direction of the output shaft B2, the electromagnetic push rod 16 is mounted at the outer side of the reduction gearbox 7, the electromagnetic push rod 16 pushes the shift rod 17 to slide, the outer edge of the sliding sleeve 20 is provided with a protruding ring 19, two limiting rods 18 are respectively located at two sides of the protruding ring 19, a rotating wheel is arranged between the limiting rod 18 and the protruding ring 19 to reduce friction between the two limiting rods 18, and the two limiting rods 18 are all connected to the electromagnetic push rod and are driven by the electromagnetic push rod to move together.
Claims (4)
1. The utility model provides a beam-pumping unit that can carry out dynamic balance and adjust, includes horsehead, jowar, reducing gear box (7), motor (8), balancing weight (5) and crank connecting rod, and input shaft transmission power to reducing gear box (7) is passed through to motor (8), includes output shaft A (6) in reducing gear box (7), output shaft A (6) and balancing weight (5) fixed connection, its characterized in that: one end of a reduction gearbox (7) far away from a motor (8) is provided with a weighting block, the outer edge of the weighting block is provided with a semicircular toothed ring (1), the outer edge of a balancing block (5) is also provided with a semicircular toothed ring (1), the toothed ring (1) at the outer edge of the weighting block and the toothed ring (1) at the outer edge of the balancing block (5) are meshed with each other in the upward stroke of the pumping unit, the toothed ring (1) at the outer edge of the weighting block and the toothed ring (1) at the outer edge of the balancing block (5) are separated from each other in the downward stroke of the pumping unit, the reduction gearbox (7) further comprises an output shaft B (2), two ends of the output shaft B (2) extend out of the reduction gearbox (7), and the output shaft B (2) drives the weighting block to rotate; in the reduction gearbox (7), the output shaft B (2) and the output shaft A (6) transmit power through a gear set, so that the rotation speed of the output shaft A (6) is the same as that of the output shaft B (2) and the rotation direction is opposite;
the output shaft B (2) is provided with a sliding sleeve (20), the sliding sleeve (20) is matched with the output shaft B (2) through a spline, so that the sliding sleeve (20) can axially slide relative to the output shaft B (2) to prevent the sliding sleeve (20) from rotating relative to the output shaft B (2), the side surface of the sliding sleeve (20) is provided with a gear ring A (15), the side surface of the weight is provided with a gear ring B (14) capable of being meshed with the gear ring A (15), and the outer side of a shell of the gearbox (7) is provided with a clutch mechanism for driving the sliding sleeve (20) to slide so as to separate or mesh the gear ring A (15) with the gear ring B (14);
the clutch mechanism comprises an electromagnetic push rod (16), a deflector rod (17) and a limiting rod (18), wherein the deflector rod (17) slides relative to a reduction gearbox (7), the sliding direction is the axial direction of an output shaft B (2), the electromagnetic push rod (16) is arranged on the outer side of the reduction gearbox (7), the deflector rod (17) is pushed by the electromagnetic push rod (16) to slide, a protruding ring (19) is arranged on the outer edge of a sliding sleeve (20), two limiting rods (18) are respectively arranged on two sides of the protruding ring (19), a rotating wheel is arranged between each limiting rod (18) and the protruding ring (19) to reduce friction between the two limiting rods (18), and the two limiting rods (18) are all connected to the electromagnetic push rod (16) and are driven by the electromagnetic push rod (16) to move together.
2. The pumping unit capable of performing power balance adjustment according to claim 1, wherein: the weight block comprises a rocker arm (3) and a heavy handle (4), wherein one end of the rocker arm (3) is in running fit with the output shaft B (2), the other end of the rocker arm (3) is fixedly connected with the semicircular toothed ring (1), the heavy handle (4) is mounted on the rocker arm (3), and the mounting position of the heavy handle (4) on the rocker arm (3) is adjustable.
3. The pumping unit capable of performing power balance adjustment according to claim 2, wherein: the heavy handle (4) can slide relative to the rocker arm (3), a double-ended stud (13) is arranged between the heavy handle (4) and the rocker arm (3), and the axial direction of the double-ended stud (13) is consistent with the sliding direction of the heavy handle (4) on the rocker arm (3).
4. The pumping unit capable of performing power balance adjustment according to claim 1, wherein: the gear set include gear A (12), gear B (11), gear C (10) and gear D (9), wherein gear A (12) is the same with gear D (9) model, gear B (11) is the same with gear C (10) model, gear A (12) fixed mounting is on output shaft A (6), gear D (9) fixed mounting is on output shaft B (2), gear B (11) and gear C (10) are located between gear A (12) and gear D (9), gear A (12), gear B (11), gear C (10) and gear D (9) mesh in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311473411.8A CN117212111B (en) | 2023-11-08 | 2023-11-08 | Pumping unit capable of carrying out dynamic balance adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311473411.8A CN117212111B (en) | 2023-11-08 | 2023-11-08 | Pumping unit capable of carrying out dynamic balance adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117212111A true CN117212111A (en) | 2023-12-12 |
| CN117212111B CN117212111B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311473411.8A Active CN117212111B (en) | 2023-11-08 | 2023-11-08 | Pumping unit capable of carrying out dynamic balance adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117212111B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB237021A (en) * | 1924-04-22 | 1925-07-22 | William Bowden | Improvements in pumps |
| CN1229886A (en) * | 1999-04-23 | 1999-09-29 | 翟灵光 | Dual-speed energy saving beam-pumping unit with shaped wheel |
| CN2718219Y (en) * | 2004-05-14 | 2005-08-17 | 赵洪贵 | Mechanical closed loop track long-stroke pumping machine |
| CN200952464Y (en) * | 2006-09-05 | 2007-09-26 | 何建文 | Planetary automatic balancing beam-pumping unit |
| CN202483525U (en) * | 2012-03-08 | 2012-10-10 | 华北电力大学 | Self-balancing double-horse-head gear drive pumping unit |
| CN104806202A (en) * | 2014-01-23 | 2015-07-29 | 刘玉玺 | Boost starting belt wheel deceleration energy storage device |
| US20160348758A1 (en) * | 2015-05-28 | 2016-12-01 | Xihua SUI | Pumpjack with torque-balanced gearbox |
| CN112096350A (en) * | 2020-10-16 | 2020-12-18 | 河南中原总机泵业有限公司 | Pumping unit driving device |
-
2023
- 2023-11-08 CN CN202311473411.8A patent/CN117212111B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB237021A (en) * | 1924-04-22 | 1925-07-22 | William Bowden | Improvements in pumps |
| CN1229886A (en) * | 1999-04-23 | 1999-09-29 | 翟灵光 | Dual-speed energy saving beam-pumping unit with shaped wheel |
| CN2718219Y (en) * | 2004-05-14 | 2005-08-17 | 赵洪贵 | Mechanical closed loop track long-stroke pumping machine |
| CN200952464Y (en) * | 2006-09-05 | 2007-09-26 | 何建文 | Planetary automatic balancing beam-pumping unit |
| CN202483525U (en) * | 2012-03-08 | 2012-10-10 | 华北电力大学 | Self-balancing double-horse-head gear drive pumping unit |
| CN104806202A (en) * | 2014-01-23 | 2015-07-29 | 刘玉玺 | Boost starting belt wheel deceleration energy storage device |
| US20160348758A1 (en) * | 2015-05-28 | 2016-12-01 | Xihua SUI | Pumpjack with torque-balanced gearbox |
| CN112096350A (en) * | 2020-10-16 | 2020-12-18 | 河南中原总机泵业有限公司 | Pumping unit driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117212111B (en) | 2024-02-02 |
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